A child travel consent form is strongly recommended if a child travels alone, with only one parent or an authorized adult. A child travel consent form allows a minor to travel alone or with another person or group.See what documents a child needs to travel to or from the US alone or with a parent or relative. Non-US citizen children traveling to the US. If only one parent is traveling with the child fill out subsection iii. Enter the traveling parent's name, passport number, country of issue and date issued. If children are not travelling with both their parents, (ie: if they are travelling alone, or with another adult), this form can be used to give permission. Minor travel consent form giving partental authorization for child to travel with another person or only one parent. Parents may have joint custody even if the child resides with only one parent. If a minor travels only with one of the parents: authorization from the other parent is not required.